第10期给大家介绍 cut 系列：
cut away (reduce, decrease)
cut back on sth. (reduce, decrease)
cut down (chop down; reduce)
cut it out (knock it off, stop it)
cut off (separate from; interrupt the line of communication)
cut out (stop, cease)
cut short (stop before the end; abbreviate)
请大家写下中文解释^_^
